55444162541 has 4 divisors (see below), whose sum is σ = 55517020284. Its totient is φ = 55371304800.

The previous prime is 55444162519. The next prime is 55444162577. The reversal of 55444162541 is 14526144455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5891176516 + 49552986025 = 76754^2 + 222605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55444162541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55444162141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36427730 + ... + 36429251.

It is an arithmetic number, because the mean of its divisors is an integer number (13879255071).

Almost surely, 2^55444162541 is an apocalyptic number.

It is an amenable number.

55444162541 is a deficient number, since it is larger than the sum of its proper divisors (72857743).

55444162541 is an equidigital number, since it uses as much as digits as its factorization.

55444162541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72857742.

The product of its digits is 384000, while the sum is 41.

The spelling of 55444162541 in words is "fifty-five billion, four hundred forty-four million, one hundred sixty-two thousand, five hundred forty-one".